Micro/nano acoustofluidics: materials, phenomena, design, devices, and applications

W Connacher, N Zhang, A Huang, J Mei, S Zhang… - Lab on a Chip, 2018 - pubs.rsc.org
Acoustic actuation of fluids at small scales may finally enable a comprehensive lab-on-a-
chip revolution in microfluidics, overcoming long-standing difficulties in fluid and particle …

Highly localized acoustic streaming and size-selective submicrometer particle concentration using high frequency microscale focused acoustic fields

DJ Collins, Z Ma, Y Ai - Analytical chemistry, 2016 - ACS Publications
Concentration and separation of particles and biological specimens are fundamental
functions of micro/nanofluidic systems. Acoustic streaming is an effective and biocompatible …

Acoustic tweezers via sub–time-of-flight regime surface acoustic waves

DJ Collins, C Devendran, Z Ma, JW Ng, A Neild… - Science advances, 2016 - science.org
Micrometer-scale acoustic waves are highly useful for refined optomechanical and
acoustofluidic manipulation, where these fields are spatially localized along the transducer …

Selective particle and cell capture in a continuous flow using micro-vortex acoustic streaming

DJ Collins, BL Khoo, Z Ma, A Winkler, R Weser… - Lab on a Chip, 2017 - pubs.rsc.org
Acoustic streaming has emerged as a promising technique for refined microscale
manipulation, where strong rotational flow can give rise to particle and cell capture. In …

Enhanced surface acoustic wave cell sorting by 3D microfluidic-chip design

WL Ung, K Mutafopulos, P Spink, RW Rambach… - Lab on a Chip, 2017 - pubs.rsc.org
We demonstrate an acoustic wave driven microfluidic cell sorter that combines advantages
of multilayer device fabrication with planar surface acoustic wave excitation. We harness the …

Physical properties-based microparticle sorting at submicron resolution using a tunable acoustofluidic device

P Li, J Zhong, N Liu, X Lu, M Liang, Y Ai - Sensors and Actuators B …, 2021 - Elsevier
Acoustophoretic manipulation has been drawing great attention in the area of microfluidics-
based cell/particle isolation and sorting due to its advantages of high biocompatibility …

Micromixing using a conductive liquid-based focused surface acoustic wave (CL-FSAW)

J Nam, WS Jang, CS Lim - Sensors and Actuators B: Chemical, 2018 - Elsevier
Acoustic manipulation of fluids and particles has gained much attention in microfluidics,
owing to its advantages of non-invasive manipulation and low power consumption …

Three-dimensional heating and patterning dynamics of particles in microscale acoustic tweezers

R Weser, Z Deng, VV Kondalkar, AN Darinskii… - Lab on a Chip, 2022 - pubs.rsc.org
Acoustic tweezers facilitate a noninvasive, contactless, and label-free method for the precise
manipulation of micro objects, including biological cells. Although cells are exposed to …

Self-aligned acoustofluidic particle focusing and patterning in microfluidic channels from channel-based acoustic waveguides

DJ Collins, R O'Rorke, C Devendran, Z Ma, J Han… - Physical Review Letters, 2018 - APS
Acoustic fields have been widely used for manipulation of particles and cells within
microfluidic systems. In this Letter, we explore a novel acoustofluidic phenomenon for …

Acoustic fields and microfluidic patterning around embedded micro-structures subject to surface acoustic waves

DJ Collins, R O'Rorke, A Neild, J Han, Y Ai - Soft Matter, 2019 - pubs.rsc.org
Recent research has shown that interactions between acoustic waves and microfluidic
channels can generate microscale interference patterns with the application of a traveling …